                                      & \multicolumn{1}{c}{(1)}                 & \multicolumn{1}{c}{(2)}               & \multicolumn{1}{c}{(3)}               & \multicolumn{1}{c}{(4)}                & \multicolumn{1}{c}{(5)}                 & \multicolumn{1}{c}{(6)}               & \multicolumn{1}{c}{(7)}  & \multicolumn{1}{c}{(8)}  \\
                                       &                                        & \multicolumn{6}{c}{\textbf{t-test differences}}    & \multicolumn{1}{c}{}  \\
                                       & \multicolumn{1}{c}{\textbf{Control}}   & \multicolumn{6}{c}{\textbf{[p-value]}}             & \multicolumn{1}{c}{}  \\
\multicolumn{1}{l}{\textbf{Variable}}  & \multicolumn{1}{c}{\textbf{Mean/(SE)}} & \multicolumn{1}{c}{\textbf{(C)-(UI)}} & \multicolumn{1}{c}{\textbf{(C)-(S4)}} &  \multicolumn{1}{c}{\textbf{(C)-(S5)}} & \multicolumn{1}{c}{\textbf{(UI)-(S4)}} & \multicolumn{1}{c}{\textbf{(UI)-(S5)}} & \multicolumn{1}{c}{\textbf{(S4)-(S5)}} & \multicolumn{1}{c}{\textbf{F-Test}} \\ \hline \\[-2ex]
\multicolumn{9}{l}{\textbf{\textit{Panel A: Sample Definition}}}                                                                                \\ [0.5ex]  
\addlinespace[0.75ex]                            Regular listed child & 0.863 & 0.012 & -0.008 & 0.015 & -0.020 & 0.002 & 0.023 & 0.507 \\    & [0.017] & [0.571] & [0.510] & [0.837] & [0.135] & [0.851] & [0.357] &  \\  Traveled child & 0.083 & 0.004 & 0.004 & -0.002 & 0.000 & -0.006 & -0.006 & 0.977 \\   & [0.011] & [0.906] & [0.791] & [0.929] & [0.832] & [0.782] & [0.836] &  \\  Moved child & 0.030 & -0.011 & 0.006 & -0.008 & 0.017 & 0.003 & -0.014 & 0.045 \\   & [0.006] & [0.287] & [0.153] & [0.913] & [0.007] & [0.504] & [0.063] &  \\  Deceased child & 0.025 & -0.005 & -0.002 & -0.004 & 0.004 & 0.001 & -0.003 & 0.861 \\   & [0.005] & [0.612] & [0.868] & [0.723] & [0.414] & [0.754] & [0.745] &  \\  Observations &  & 3997 & 4378 & 4171 & 4309 & 4102 & 4483 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                                        [-2ex]   
                                 Listed child eligible for follow-up & 0.730 & 0.000 & -0.010 & 0.020 & -0.011 & 0.020 & 0.030 & 0.475 \\    & [0.015] & [0.946] & [0.598] & [0.369] & [0.564] & [0.282] & [0.102] &  \\  Found \& surveyed at follow-up & 0.705 & 0.015 & -0.025 & -0.008 & -0.039 & -0.023 & 0.016 & 0.169 \\   & [0.015] & [0.274] & [0.095] & [0.832] & [0.015] & [0.222] & [0.299] &  \\  Traveled at follow-up & 0.054 & 0.004 & 0.005 & 0.016 & 0.000 & 0.012 & 0.011 & 0.472 \\   & [0.007] & [0.656] & [0.718] & [0.248] & [0.824] & [0.230] & [0.285] &  \\  Moved at follow-up & 0.172 & -0.017 & 0.016 & -0.000 & 0.032 & 0.017 & -0.016 & 0.078 \\   & [0.013] & [0.238] & [0.075] & [0.896] & [0.007] & [0.116] & [0.106] &  \\  Deceased at follow-up & 0.046 & -0.001 & 0.009 & -0.008 & 0.010 & -0.007 & -0.017 & 0.130 \\   & [0.006] & [0.761] & [0.249] & [0.321] & [0.084] & [0.402] & [0.030] &  \\  Was not found at follow-up & 0.026 & -0.002 & -0.005 & -0.002 & -0.004 & 0.000 & 0.004 & 0.777 \\   & [0.009] & [0.634] & [0.344] & [0.757] & [0.257] & [0.570] & [0.592] &  \\  Observations &  & 3238 & 3598 & 3351 & 3536 & 3289 & 3649 &  \\  Clinics &  & 60 & 60 & 59 & 60 & 59 & 59 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                                                                         \\ [-2ex]   
\multicolumn{9}{l}{\textbf{\textit{Panel B: Sample Characteristics}}}                           \\ [0.5ex]  
\addlinespace[0.75ex]                        Age of child (in days) & 236.692 & 2.806 & 4.858 & 1.433 & 2.052 & -1.373 & -3.425 & 0.928 \\    & [5.625] & [0.776] & [0.612] & [0.617] & [0.870] & [0.647] & [0.474] &  \\  Child has a vaccine card & 0.953 & -0.003 & 0.009 & 0.006 & 0.013 & 0.010 & -0.003 & 0.756 \\   & [0.009] & [0.843] & [0.365] & [0.491] & [0.298] & [0.496] & [0.832] &  \\  Observations &  & 2261 & 2586 & 2378 & 2519 & 2311 & 2636 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                            [-2ex]  
                      Vaccine Card is of good quality & 0.830 & 0.019 & 0.008 & -0.039 & -0.011 & -0.058 & -0.047 & 0.309 \\    & [0.032] & [0.755] & [0.700] & [0.231] & [0.971] & [0.081] & [0.101] &  \\  Observations &  & 1415 & 1786 & 1583 & 1651 & 1448 & 1819 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                                    [-2ex]  
                      Mother's ability to recall last vaccine & 0.863 & -0.050 & -0.041 & -0.060 & 0.009 & -0.010 & -0.019 & 0.746 \\    & [0.031] & [0.360] & [0.586] & [0.238] & [0.748] & [0.859] & [0.579] &  \\  Observations &  & 2261 & 2586 & 2378 & 2519 & 2311 & 2636 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                                       [-2ex]  
                      Distance to clinic (in miles) & 2.171 & -0.229 & -0.158 & 0.009 & 0.071 & 0.238 & 0.167 & 0.281 \\    & [0.090] & [0.084] & [0.200] & [0.820] & [0.539] & [0.092] & [0.717] &  \\  Communities &  & 296 & 292 & 288 & 296 & 292 & 288 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                                   [-2ex]  
                      Clinic population & 66.833 & 3.667 & -12.700 & -6.615 & -16.367 & -10.282 & 6.085 & 0.197 \\    & [5.491] & [0.653] & [0.199] & [0.492] & [0.097] & [0.064] & [0.643] &  \\  Clinics &  & 60 & 60 & 59 & 60 & 59 & 59 &  \\   &  &  &  &  &  &  &  &  \\                                                                                                                                                        \\ [-2ex]  
\multicolumn{9}{l}{\textbf{\textit{Panel C: Pre-trends in vaccination outcomes}}}       \\ [0.5ex] 
\addlinespace[0.75ex]                      Vaccine 1 & 0.970 & 0.018 & 0.014 & 0.000 & -0.004 & -0.018 & -0.014 & 0.590 \\    & [0.011] & [0.263] & [0.384] & [0.796] & [0.932] & [0.301] & [0.306] &  \\  Observations &  & 654 & 713 & 633 & 763 & 683 & 742 &  \\   &  &  &  &  &  &  &  &  \\                                                                                       [-2ex]  
\addlinespace[0.75ex]                      Vaccine 2 & 0.911 & 0.025 & 0.004 & -0.010 & -0.021 & -0.035 & -0.014 & 0.604 \\    & [0.019] & [0.336] & [0.611] & [0.832] & [0.797] & [0.175] & [0.372] &  \\  Observations &  & 510 & 539 & 491 & 575 & 527 & 556 &  \\   &  &  &  &  &  &  &  &  \\                                                                            [-2ex]  
\addlinespace[0.75ex]                       Vaccine 3 & 0.778 & -0.038 & -0.038 & -0.029 & -0.001 & 0.009 & 0.010 & 0.962 \\    & [0.046] & [0.571] & [0.812] & [0.932] & [0.890] & [0.797] & [0.944] &  \\  Observations &  & 377 & 394 & 362 & 429 & 397 & 414 &  \\  Clinics &  & 38 & 38 & 38 & 38 & 38 & 38 &  \\   &  &  &  &  &  &  &  &  \\                                                                      [-2ex]  
                                                                                                                                                                                                                                             \hline \hline \\ [-2ex] 